Date: Fri, 28 Dec 2007 22:44:58 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Brian O'Shea <b_oshea@yahoo.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: buildkernel with INVARIANTS, WITNESS, DEBUG_LOCKS, etc. fails Message-ID: <47756E5A.9060904@FreeBSD.org> In-Reply-To: <89106.34681.qm@web39509.mail.mud.yahoo.com> References: <89106.34681.qm@web39509.mail.mud.yahoo.com>
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Brian O'Shea wrote: > Thank you for your reply, Kris. > > --- Kris Kennaway <kris@FreeBSD.org> wrote: >> Brian O'Shea wrote: >>> Hello FreeBSD developers, >>> >>> Building a FreeBSD 6.2-RELEASE kernel on an Intel Pentium 4 with the >>> following config options causes buildkernel to fail with undefined >>> references to stack_save, stack_zero, and stack_print functions: >>> >>> makeoptions DEBUG=-g > > options KDB > options DDB > >>> options INVARIANTS >>> options INVARIANT_SUPPORT >>> options WITNESS >>> options DEBUG_LOCKS >>> options DEBUG_VFS_LOCKS >>> options DIAGNOSTIC >>> > ... > >> I think you also need DDB. > > I added the KDB and DDB options and now the buildkernel succeeds. Now > hopefully I can get a crash dump and (try to) start debuging my problem. > >> This is a minor bug which you could send-pr about if you like. > > Would this be a docs bug, or a config bug? Mostly a docs bug. In 6.x the stack_save foo isn't really useful without DDB. Kris
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